Rectangular and square HSS

HSS9X5X5/16 HSS228.6X127X7.9

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xyb = 5d = 9tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
5in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
27.59lb/ft
Cross-sectional areaA
7.59in²

Strong axis x–x

Moment of inertiaIx
79.8in⁴
Elastic section modulusSx
17.7in³
Plastic section modulusZx
22in³
Radius of gyrationrx
3.24in

Weak axis y–y

Moment of inertiaIy
32in⁴
Elastic section modulusSy
12.8in³
Plastic section modulusZy
14.6in³
Radius of gyrationry
2.05in

Torsion and stability

Torsional constantJ
74.4in⁴
Torsional modulusC
23.8in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
27.9

Equivalents in other standards